/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.gearpump.sql.rel;

import org.apache.calcite.rel.RelNode;

import java.io.Serializable;
import java.util.List;

public class GearSetOperatorRelBase {

  public enum OpType implements Serializable {
    UNION,
    INTERSECT,
    MINUS
  }

  private GearRelNode gearRelNode;
  private List<RelNode> inputs;
  private boolean all;
  private OpType opType;

  public GearSetOperatorRelBase(GearRelNode gearRelNode, OpType opType,
                                List<RelNode> inputs, boolean all) {
    this.gearRelNode = gearRelNode;
    this.opType = opType;
    this.inputs = inputs;
    this.all = all;
  }

}
